Search Results for: Photosensitive electrical apparatus
[more] digital ac + dc trms clamp meter "sigma", current upto a ac/dc with calibration certificate rs. , . we deal in electrical electronic applications for testing & measurement sigma, million megohm meter (insulation resistance tester / ir meter, meggar digital / analog), cable fault locator, cr /
meter, sound level meter, digital temperature (cum) humidity meter, digital temperature indicator, sine square wave generator, sine square triangle function generator, power supply dc regulated, standard resistance box duly ertl calibrated, standard ac kv meter or dc kv meter, thermal stability test apparatus...
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telautograph - wikipedia telautograph from wikipedia, the free encyclopedia jump to navigation jump to search an early telautograph the telautograph, an analog precursor to the modern fax machine, transmits electrical impulses recorded by potentiometers at the sending station to servomechanisms attached
teleautographs in various parts of the station; the trainmaster's office, the passenger agent's office, information desk, etc., photograph by jack delano, feb. feb., farm security administration - office of war information photograph collection (library of congress). ^ walter j. armstrong, mechanical and electrical...
https://en.wikipedia.org/wiki/Telautograph